Zener Diode, 5.09V V(Z), 5.5%, 0.4W, Silicon, Unidirectional, DO-34, GLASS PACKAGE-2
Switch Limit N.O./N.C. DPDT Top Plunger Screw 4A 28VDC 53.38N Linear Panel Mount/Screw Mount

Switch Limit N.O./N.C. SPDT Top Plunger Panel Mount 4A 28VDC 35.59N Linear Connector Automotive

Snap Acting/Limit Switch, SPDT, Momentary, 4A, 28VDC, 22.86mm, Connector Terminal, Steel Plunger Actuator, Panel Mount-threaded